Sewing machine



FIG. 1 is a front view of a sewing machine, showing our new design;

FIG. 2 is a rear view thereof wherein the broken lines are included toshow unclaimed environment only and form no part of the claimed design;

FIG. 3 is a top view thereof wherein the broken lines are included toshow unclaimed environment only and form no part of the claimed design;

FIG. 4 is a bottom view thereof;

FIG. 5 is a lateral view (right side) thereof;

FIG. 6 is a lateral view (left side) thereof; and,

FIG. 7 is a perspective view thereof.

CLAIM The ornamental design for a sewing machine, as shown anddescribed.